How to get the text corresponding to a bison rule

[sgaurelius]

Hi!

Let's say I have the rule

paren:
           '(' expression ')'
           {
                 ........
           }

Flex scanner has previously analyzed the string and extracted the tokens.
However, if I want the text that corresponds to this expression, for example
the "(1+2)" and not just the tokens, what should I do ? Is there some
solution ?

Stratis
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